Introduction of ostrich (Struthio camelus domesticus), a new exotic host species to a new ecosystem likeIran, necessitates the study of its infectious diseases including parasitic infestations. For a period of one year, from 2002–03, faecal samples of 254 ostriches on 5 farms located at different parts of Iran, includingGarmsar, Semnan province (n = 85); Nashtaroud, Mazandaran province (n = 29)...